.ant-select-selection--single {
    height: 300px;
    position: relative;
    cursor: pointer;
}

.ant-layout-header{
    background: #269;
    /* background:red ; */
}

.tongzhi >div{
    width: 172px;
    height:100px;
}
.ant-select-selection{
  width: 172px;
  height:100px;
}